Su Gyeoul wants to fulfil her wish. However, getting a wish isn't easy. So she goes to the human world and by collecting human's wishes, then she can fulfil her final wish. 

In the human world, she meets a cold man by the name of Yoongi. Coincidences that shouldn't be too often could affect Gyeoul to make up her last wish. To Yoongi, this clumsy but composed girl may relieve his heart.

Note: Inspired by the anime Kobato but I will try my best to not imitate it!